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Diamond Certified Expands Operations from San Francisco to Denver Area

Diamond Certified, a service that rates contractors, has expanded its operations from the San Francisco Bay Area to include Denver, Colorado. The expansion makes independently rated roofing contractors available to Denver homeowners.

17 September 2026
Diamond Certified Expands Operations from San Francisco to Denver Area

Diamond Certified, a company that provides independent ratings for contractors, has announced its expansion into the Denver metropolitan area in Colorado. This move extends the service's reach from its primary market in the San Francisco Bay Area to include Arapahoe, Boulder, and Jefferson counties.

The service aims to help homeowners find roofing contractors that have been evaluated for quality and expertise. Diamond Certified's process involves customer feedback and verification of business practices to ensure reliable assessments.

American Ratings Corporation, the entity behind Diamond Certified, seeks to offer consumers trustworthy information for selecting service providers in the construction industry. The expansion to Denver is part of the company's growth strategy to serve more U.S. markets.

Previously focused on California, the expansion into Denver signifies a new geographic market for Diamond Certified, addressing the needs of homeowners in a different region for high-quality roofing services.

Original source: prnewswire.com